I met Paul and wife Linda once while working for their SAAB mechanic. I got the answer from Mick's mouth himself. While filming it was secured much like Linda's bathing suit- tape and glue. If anyone has the opportunity to meet them ( lovely couple) please don't hold up a blade and repeat his famous line. Poor man grimaces with a forced smile everytime. Actually, at one time the most popular bushblades were kabars with the upper tang cut off, the handle sanded to an oval grip and a lanyard hole drilled into the pommel. There are some neat knives being produced in OZ today in spite of restrictions.